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In 1952, he put the first adhesive based on polyester on the natural stone market and called it "Stein- und Marmorkitt Universal" unsaturated polyester (Universal Stone and Marble Filler). To satisfy the steadily growing demand for the products on the domestic market and abroad, he built up a distribution network and expanded his range of ...
Repaired ceramic bowl from the National Museum of Vietnam History. A chemical compound that adheres or bonds items together, such as pieces of ceramic. In ceramic conservation there are several different types that range from natural to man-made adhesives. Conservators characterise the best adhesive as one which can be undone.
Engineered stone is a composite material made of crushed stone bound together by an adhesive to create a solid surface. The adhesive is most commonly polymer resin, with some newer versions using cement mix. This category includes engineered quartz (SiO 2), polymer concrete and engineered marble stone. [1]
The Allison and Roberto Mignone Halls of Gems and Minerals are a series of exhibition halls at the American Museum of Natural History on the Upper West Side in Manhattan, New York City. The halls opened on June 12, 2021, as a complete redesign of their predecessors, the Harry Frank Guggenheim Hall of Gems and Minerals and Morgan Memorial Hall ...
Lee's Legendary Marbles and Collectables is a museum in York, Nebraska. [1] The museum specializes in displaying, storing and sometimes selling parts of a toy marble collection Lee Batterton amassed over 70 years. [2] In 2023, it was officially recognized as the World's Largest Collection of Marbles. [3]
Angie Reano Owen, a Kewa Pueblo artist from New Mexico revived prehistoric Hohokam and Anasazi traditional designs in the 1970s with a new technique to inlay stone and shell mosaic jewelry. Her work has been collected by the Museum of Fine Arts Boston, the National Museum of the American Indian and the American Museum of Natural History. [16]
The natural vegetation was tropical dry broadleaf forests with an undergrowth of shrubs and grasses supporting a rich wildlife [citation needed]. However much of the original forest has been cleared for farming, [citation needed] especially on the coasts of Timor and on the smaller islands like Atauro. Apart from one large block in the centre ...
At this time, the Portuguese began to convert the Timorese to Catholicism. Starting in 1642, a military expedition led by the Portuguese Francisco Fernandes took place. The aim of this expedition was to weaken the power of the Timor kings and even as this expedition was made by the Topasses , the 'Black Portuguese', it succeeded to extend the ...